JPS5542356B2 - - Google Patents
Info
- Publication number
- JPS5542356B2 JPS5542356B2 JP12892372A JP12892372A JPS5542356B2 JP S5542356 B2 JPS5542356 B2 JP S5542356B2 JP 12892372 A JP12892372 A JP 12892372A JP 12892372 A JP12892372 A JP 12892372A JP S5542356 B2 JPS5542356 B2 JP S5542356B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12892372A JPS5542356B2 (US20020125480A1-20020912-P00900.png) | 1972-12-22 | 1972-12-22 | |
| GB5915173A GB1425840A (en) | 1972-12-22 | 1973-12-20 | Electronic timepiece |
| US00427208A US3855781A (en) | 1972-12-22 | 1973-12-21 | Step motor mechanism for electronic timepiece |
| HK46/78A HK4678A (en) | 1972-12-22 | 1978-01-19 | Electronic timepiece |
| MY77/78A MY7800077A (en) | 1972-12-22 | 1978-12-30 | Electronic timepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12892372A JPS5542356B2 (US20020125480A1-20020912-P00900.png) | 1972-12-22 | 1972-12-22 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3014680A Division JPS55129786A (en) | 1980-03-10 | 1980-03-10 | Step motor mechanism for electronic watch |
| JP3014580A Division JPS55129785A (en) | 1980-03-10 | 1980-03-10 | Step motor mechanism for electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4985514A JPS4985514A (US20020125480A1-20020912-P00900.png) | 1974-08-16 |
| JPS5542356B2 true JPS5542356B2 (US20020125480A1-20020912-P00900.png) | 1980-10-30 |
Family
ID=14996707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12892372A Expired JPS5542356B2 (US20020125480A1-20020912-P00900.png) | 1972-12-22 | 1972-12-22 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0379469U (US20020125480A1-20020912-P00900.png) * | 1989-12-05 | 1991-08-13 |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5010433A (US20020125480A1-20020912-P00900.png) * | 1973-06-04 | 1975-02-03 | ||
| GB1451359A (en) * | 1973-11-30 | 1976-09-29 | Citizen Watch Co Ltd | Pulse motor driven circuit |
| JPS50120373A (US20020125480A1-20020912-P00900.png) * | 1974-03-05 | 1975-09-20 | ||
| JPS604666B2 (ja) * | 1974-04-04 | 1985-02-05 | セイコーエプソン株式会社 | 水晶腕時計用変換器 |
| JPS5199077A (ja) * | 1975-02-26 | 1976-09-01 | Seiko Instr & Electronics | Denshidokeiniokerukudosochi |
| JPS51123186A (en) * | 1975-04-18 | 1976-10-27 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS525566A (en) * | 1975-07-02 | 1977-01-17 | Citizen Watch Co Ltd | Electric clock |
| JPS5243006U (US20020125480A1-20020912-P00900.png) * | 1975-09-23 | 1977-03-26 | ||
| JPS5292560A (en) * | 1976-01-29 | 1977-08-04 | Seiko Instr & Electronics Ltd | Switch box drive pulse width control circuit for electronic clocks |
| JPS5312669A (en) * | 1976-07-21 | 1978-02-04 | Seiko Instr & Electronics Ltd | Hands reversing device of electronic watch |
| JPS5345575A (en) * | 1976-10-06 | 1978-04-24 | Seiko Epson Corp | Electronic wristwatch |
| JPS5389776A (en) * | 1977-01-19 | 1978-08-07 | Seiko Epson Corp | Electronic wristwatch |
| JPS53114467A (en) * | 1977-03-16 | 1978-10-05 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132380A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53136870A (en) * | 1977-04-23 | 1978-11-29 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132383A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch circuit |
| JPS53132385A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132382A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132386A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132384A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| GB2006995B (en) * | 1977-09-26 | 1982-11-17 | Citizen Watch Co Ltd | Drive system for pulse motor |
| JPS5482268A (en) * | 1977-12-14 | 1979-06-30 | Citizen Watch Co Ltd | Electronic watch with alarm |
| JPS5477169A (en) * | 1977-12-02 | 1979-06-20 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS54133382A (en) * | 1978-04-07 | 1979-10-17 | Seiko Epson Corp | Crystal wristwatch |
| CH616045B (fr) * | 1978-06-20 | Ebauches Sa | Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede. | |
| US4221111A (en) * | 1978-08-15 | 1980-09-09 | Citizen Watch Company Limited | Electronic timepiece having a voltage conversion circuit |
| JPS5921493B2 (ja) * | 1978-09-12 | 1984-05-21 | セイコーインスツルメンツ株式会社 | 時計の輪列負荷測定器 |
| CH629356B (fr) * | 1979-06-28 | Ebauchesfabrik Eta Ag | Montre electronique dont le rouage comporte un mobile de comptage. | |
| DE2937838C2 (de) * | 1979-09-19 | 1986-08-28 | Braun Ag, 6000 Frankfurt | Verfahren und Anordnung zur Regelung von Drehzahl und Phasenlage bei Synchronmotoren |
| FR2469037A1 (fr) * | 1979-10-31 | 1981-05-08 | Sonceboz Sa | Dispositif d'entrainement pour appareil necessitant un entrainement intermittent |
| FR2478400A1 (fr) * | 1980-01-30 | 1981-09-18 | Portescap | Dispositif de commande d'un moteur electrique |
| CH640999B (fr) * | 1980-08-25 | Ebauchesfabrik Eta Ag | Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique. | |
| JPS5696270A (en) * | 1980-11-05 | 1981-08-04 | Citizen Watch Co Ltd | Electronic timepiece |
| CH647383GA3 (US20020125480A1-20020912-P00900.png) * | 1981-02-04 | 1985-01-31 | ||
| JPH0228477Y2 (US20020125480A1-20020912-P00900.png) * | 1981-07-06 | 1990-07-31 | ||
| JPS61135288U (US20020125480A1-20020912-P00900.png) * | 1985-02-13 | 1986-08-23 | ||
| US6088302A (en) * | 1997-04-25 | 2000-07-11 | Seiko Instruments Inc. | Electronic timepiece |
| CN1132079C (zh) * | 1997-04-25 | 2003-12-24 | 精工电子有限公司 | 电子表 |
| US6262554B1 (en) * | 1998-09-22 | 2001-07-17 | Seiko Epson Corporation | Electronic device and method of controlling the same |
| DE102012105362A1 (de) * | 2012-06-20 | 2013-12-24 | Trinamic Motion Control Gmbh & Co. Kg | Verfahren und Schaltungsanordnung zur Ansteuerung eines Schrittmotors |
| JP7023124B2 (ja) * | 2018-01-26 | 2022-02-21 | セイコーインスツル株式会社 | ムーブメントおよび時計 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH490710A (fr) * | 1966-02-10 | 1969-08-15 | Suisse Horlogerie | Pièce d'horlogerie électronique |
| GB1205753A (en) * | 1966-09-09 | 1970-09-16 | Smiths Industries Ltd | Horological instruments incorporating electrical oscillation generators |
| JPS5319944B2 (US20020125480A1-20020912-P00900.png) * | 1971-09-25 | 1978-06-23 |
-
1972
- 1972-12-22 JP JP12892372A patent/JPS5542356B2/ja not_active Expired
-
1973
- 1973-12-20 GB GB5915173A patent/GB1425840A/en not_active Expired
- 1973-12-21 US US00427208A patent/US3855781A/en not_active Expired - Lifetime
-
1978
- 1978-01-19 HK HK46/78A patent/HK4678A/xx unknown
- 1978-12-30 MY MY77/78A patent/MY7800077A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0379469U (US20020125480A1-20020912-P00900.png) * | 1989-12-05 | 1991-08-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1425840A (en) | 1976-02-18 |
| HK4678A (en) | 1978-01-27 |
| US3855781A (en) | 1974-12-24 |
| MY7800077A (en) | 1978-12-31 |
| JPS4985514A (US20020125480A1-20020912-P00900.png) | 1974-08-16 |
